Home / 15,842,074.82-21,861,307.40-9,729,322.34

Finding the Fourth Proportional to 15,842,074.82, 21,861,307.40 and 9,729,322.34

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Solution

The fourth proportional to 15,842,074.82, 21,861,307.40 and 9,729,322.34 is: 13,426,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,842,074.82 : 21,861,307.40 = 9,729,322.34 : x
  2. Step 2: Convert to fraction form
    15,842,074.82/21,861,307.40 = 9,729,322.34/x
  3. Step 3: Cross multiply
    15,842,074.82x = 21,861,307.40 × 9,729,322.34
  4. Step 4: Simplify right side
    15,842,074.82x = 212,695,706,310,474.19
  5. Step 5: Solve for x
    x = 212,695,706,310,474.19/15,842,074.82
  6. Step 6: Final answer
    x = 13,426,000.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.